| APA | 4WM. (2012, February 10). In Acronym Geek. Retrieved 18:04, February 10, 2012, from http://www.acronymgeek.com/4WM |
| MLA | "4WM." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/4WM>. |
| MHRA | '4WM', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/4WM> [accessed 10 February 2012] |
| Chicago | "4WM", http://www.acronymgeek.com/4WM (accessed February 10, 2012). |
| CBE/CSE | 4WM [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/4WM. |
| Bluebook | 4WM, http://www.acronymgeek.com/4WM (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, 4WM, http://www.acronymgeek.com/4WM (optional description here) (as of Feb. 10, 2012, 18:04). |
| AMA | 4WM. Acronym Geek. February 10, 2012, 18:04. Available at: http://www.acronymgeek.com/4WM. Accessed February 10, 2012, 18:04. |